6 Cute Animals With a Dark Side

Some people argue that the Internet just exists to share photos of cute animals. Indeed, many Internet famous cats and dogs have filled trending topics lists for years. 

But those adorable animals you've always wanted to take home have a darker side you probably never knew about. We've compiled a few below to remind you of the large responsibility that pet adoration and ownership requires.

01
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Dolphins are actually whales

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Jack Reynolds/Moment Open/Getty Images

To put it one way, dolphins are whales with teeth, also known as odontocetes.  To put it another way, the Orca (Killer) whale is the largest kind of dolphin.  Either way, bet you didn't know that lurking inside that cute, quirky dolphin was the soul of a whale!

02
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Sugar gliders can die of loneliness

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Sylvain Cordier/Stockbyte/Getty Image

How can you resist this face? Before you want to take one home, you should know sugar gliders can be difficult pets that require regular attention. If they are deprived of social interaction, they could become depressed to the point that they die!

03
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Penguins are biologically engineered to be hunters

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Ian Duffy
Penguins’ eyes work better underwater than they do in the air, giving them superior eyesight to spot prey while hunting, even in cloudy, dark or murky water.
04
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Cute baby monkeys will grow up wild anyway

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Thomas Kokta/Photolibrary/Getty Images

Raising a monkey around humans doesn't change their wild nature. Monkeys are unpredictable and may turn aggressively on anyone, including the person to whom they are the closest.

05
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Hedgehogs can spread salmonella

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Jill Ferry / Moment / Getty Images

While hedgehogs aren't commonly associated with salmonella, it is becoming an increasing problem as the spiky pets become more popular. In June 2013 alone, 26 people were reported to the CDC with a Salmonella Typhimurium infection that was traced back to pet African pygmy hedgehogs. Of course, not all hedgehogs have salmonella, but it's important to be particularly careful when handling or selecting which hedgehog you'd like as a pet. 

06
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Rabbits have destroyed parts of the Australian countryside

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Brendon Thorne/Getty Images

In 1859, a man named Thomas Austin, a landowner in Winchelsea, Victoria, imported 24 wild rabbits from England and released them into the wild for sport hunting. Less than 70 years later, the rabbit population in Australia ballooned to an estimated 10 billion.  Because rabbits are grazers, they caused some damage to Australia's land since it is arid and not fully fit for agriculture.